This product has passed the RoHS authentication and conform to ISO9002 quality system Specifications Raw ... Annealing, Blow up, Punching, Folding and shaping, Capillary connecting, Assembly welding, Leakage Test, Cleaning and drying, Coating, Curing, Inspection, PackingTechnical ... supplied by clients, also can help the clients design and produce different models of roll bond evaporator.Performance1) ...